# Centersquare IAD1-C

PJM data center · https://askthegrid.com/assets/facilities/centersquare-iad1-c

Centersquare IAD1-C is a facility data center in Sterling, Loudoun County, VA. Centersquare is identified as the operator. It is identified as part of IAD1. Spatial service-territory evidence associates the site with Dominion Virginia Power; the profile assigns the asset to PJM through that documented market role. Reported development, power, and commercial facts retain their source-specific facility, campus, building, or phase scope; the page does not collapse those values into a single implied load.

## Identity and location

- Operating status: unknown
- Asset scope: facility
- Location: 21110 Ridgetop Circle, Sterling, Loudoun County, VA
- Owner: Centersquare (exact asset)
- Operator: Centersquare (exact asset)

## Power and grid context

- Critical it load: 30.5 MW · operating · exact asset — 30.5 MW
- ISO/RTO: PJM
- Balancing authority: PJM Interconnection
- Electric utility: Dominion Virginia Power

## Development

- Site area: 8.492 acres
- Gross floor area: 1,900,000 square feet
- Buildings: 3
- Construction: The IAD1-C data center at 21110 Ridgetop Circle, Sterling, VA was proposed with a permit application on Jan 1, 2003, approved on Jan 1, 2019. The campus consists of three single‑story buildings, total power capacity 22 MW, gross floor area 1.9 M sq ft, on an 8.492‑acre site. No construction start or completion dates are publicly disclosed, and the facility is not yet listed as operational.

## Compute and operations

- Facility classes: colocation, enterprise
- Operating context: Colocation and enterprise data center services.

## Sources

- [http://loudoun.gov/2674/Utilities](http://loudoun.gov/2674/Utilities)
- [http://openei.org/wiki/RAPID/BulkTransmission/Virginia](http://openei.org/wiki/RAPID/BulkTransmission/Virginia)
- [http://semanticnet.net/facility/7T0gSgJnFBWk7JZ2qXI6/centersquare-northern-virginia-iad1-c](http://semanticnet.net/facility/7T0gSgJnFBWk7JZ2qXI6/centersquare-northern-virginia-iad1-c)
- [Data Center Requests | Virginia | Dominion Energy](http://www.dominionenergy.com/en/Virginia/Large-Business-Services/Data-Center-Requests)
- [21110 Ridgetop Data Center](https://baxtel.com/data-center/21110-ridgetop)
- [Centersquare IAD1-C | Sterling, UN](https://datacenterplanet.com/listings/centersquare-iad1-c)
- [Does Virginia have enough water to quench thirsty data ...](https://frontiergroup.org/articles/does-virginia-have-enough-water-to-quench-thirsty-data-centers/)
- [21110 Ridgetop Circle LLC 73160 v6](https://mlq.ai/permit-filings/usa/virginia/loudoun-county/73160-v6/)
- [Virginia Data Centers — 127 Facilities | USDataMap](https://usdatamap.com/state/VA)
- [Data Center Retail Sales & Use Tax Exemption | Virginia Economic Development Partnership](https://vedp.org/incentive/data-center-retail-sales-use-tax-exemption)
- [21110 Ridgetop Circle LLC — Loudoun County, VA | Groundwork](https://www.canonical.cc/labs/groundwork/site/21110-ridgetop-circle-llc-loudoun/)
- [Stop Building Data Centers in Loudoun County, Virginia](https://www.change.org/p/stop-building-data-centers-in-loudoun-county-virginia)
- [Top Northern Virginia/DC Area Çolocation Data Centers](https://www.csquare.com/data-centers/northern-virginia)
- [Centersquare - Sterling, VA | datacenter.fyi](https://www.datacenter.fyi/public-record/centersquare-bcac2ae3)
- [Virginia Data Center Facilities, Permits & Public Records | datacenter.fyi](https://www.datacenter.fyi/state/va)
- [Csquare - Sterling IAD1-C Data Center (4.8 MW)](https://www.datacentermap.com/usa/virginia/sterling/cyxtera-iad1c/)
- [Csquare: IAD1-C Sterling Data Center](https://www.datacenters.com/centersquare-iad1-c-sterling)
- [Centersquare Data Center in Sterling, VA](https://www.datacenters.com/centersquare-iad1-sterling-campus)
- [Issued Air Permits for Data Centers | Virginia DEQ](https://www.deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers)
- [Data Centers in Loudoun County | Loudoun County, VA - Official Website](https://www.loudoun.gov/6188/Data-Centers-in-Loudoun-County)
- [Loudoun Water](https://www.loudounwater.org/node/910)
- [Your Drinking Water Quality](https://www.loudounwater.org/residential-customers/your-drinking-water-quality)
- [21110 Ridgetop Circle, Sterling](https://www.mapletreeindustrialtrust.com/property/21110-ridgetop-circle-sterling/)
- [Centersquare Data Centers: Washington DC IAD1-C](https://www.ocolo.io/colocation/centersquare-data-centers/washington-dc-iad1-c/)
- [Loudoun Proposes Changes to Get a Handle On Data Center Development - The Piedmont Environmental Council](https://www.pecva.org/region/loudoun/loudoun-proposes-changes-to-get-a-handle-on-data-center-development/)
- [Centersquare Northern Virginia (IAD1-C/E)](https://www.peeringdb.com/fac/2615)
- [Data Centers and Water Use in the Potomac River Basin](https://www.potomacriver.org/focus-areas/water-resources-and-drinking-water/water-resources/planning/data-centers-and-water-use-in-the-potomac-river-basin/)
- [Centersquare Northern Virginia IAD1-C](https://www.semanticnet.net/facility/7T0gSgJnFBWk7JZ2qXI6/centersquare-northern-virginia-iad1-c)

## Data quality

- Power values retain their reported, requested, contracted, energized, gross-campus, or critical-IT basis.

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Canonical page: https://askthegrid.com/assets/facilities/centersquare-iad1-c
Profile generated: 2026-09-04T14:28:32.838652Z
Source: Ask the Grid — https://askthegrid.com/